They say just before 1:30 the woman walked into the Stripes on Holliday wearing a blue hooded sweatshirt.
They say she displayed a knife and demanded money.
Police say she took off on foot with about $20.00.
About 10 minutes later, Police believe the same woman attempted to rob a man at an ATM on Midwestern Parkway.
The man called Police and the woman fled in a Honda Pilot.
The vehicle was pulled over and the woman arrested.
She's set to be charged with aggravated robbery.
A second woman in the vehicle was detained but is not facing any charges at this time.
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